United States, Arkansas, Washington, S.W. Washington County. Ozark Plateau: Foothills Boston Mountains: Cove Creek Valley, about 15 mi. S. of Prairie Grove (23 mi. SW of Fayetteville). (Jim Pierson's spring)
35.773526 -94.375506 +-90m. WGS84
Using Google Terrain map, measured from Prairie Grove south along course of Cove Creek 15 road miles. Drew polygon along course of north-south running valley. Placed pin in center area of polygon at that location and edited uncertainty radius.